american airlines in u.s. airways are merging to create the world's biggest airline. >> on the one hand it means fewer airlines to choose from, and that could ultimately result in higher prices. the ceos behind the merger say travelers only stand to benefit. american airlines in u.s. airways plan to combine and flight under this new logo with the american brands. the ceo, doug parker, will ultimately run the show. >> the merger is about the opportunity to grow rather than just combine networks. >> it creates the world's largest airline. >> we will once again be an industry leader were the of the name american airlines. >> the new american would offer more than 6700 daily flights without shutting down any hubs. frequent fliers in chicago have doubts. since 2008, travelers have watched their options diminished through mergers. now three met at international airlines will remain, united, delta, an american. consumer advocates warned that prices will go up. >> competition will be reduced by about 25%. >> your freq